期刊
JOURNAL OF GASTROENTEROLOGY
卷 55, 期 4, 页码 428-440出版社
SPRINGER JAPAN KK
DOI: 10.1007/s00535-019-01635-0
关键词
Transient elastography; Fibrosis; Steatosis; Nonalcoholic fatty liver disease activity score; Skin capsular distance
Background Few studies have evaluated both liver fibrosis and steatosis in patients with nonalcoholic fatty liver disease (NAFLD) using both FibroScan (R) M and XL probes. This study was performed to investigate the accuracy of both FibroScan (R) probes to diagnose liver fibrosis and steatosis in patients with NAFLD. Methods We prospectively enrolled 137 consecutive patients with clinically suspected NAFLD in our joint-research facilities. Liver biopsies, liver stiffness measurements (LSMs), and controlled attenuation parameter (CAP) measurements were performed, and 122 patients with NAFLD diagnosed pathologically by central pathologists were included in the final analysis. Results Reliable LSM results were obtained in 85.2% (M) and 89.3% (XL) of patients, and CAP was reliable in 90.2% (M) and 90.2% (XL). The median LSM was significantly lower with the XL than M probe, and CAP was significantly higher with the XL than M probe. The optimal cut-off values for diagnosing the fibrosis stage were lower for LSM with the XL than M probe (stage >= 2, 6.7 vs. 7.0; stage >= 3, 8.2 vs. 10.8; stage 4, 14.3 vs. 16.8, respectively), whereas those of CAP were higher for the XL than M probe (score of >= 2, 273 vs. 267; score of 3, 302 vs. 286, respectively). There were no significant differences in accuracy of the LSM and CAP between the probes. Conclusions Liver fibrosis and steatosis could be equally evaluated with FibroScan (R) M and XL probes in patients with NAFLD. There was no significant difference in diagnostic accuracy between the two probes using probe-specific cut-off values.
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